/Engine/Plugins/Media/MediaCompositing/Source/MediaCompositingEditor/Public/Sequencer/MediaTrackEditor.h
Event for when we build the widget for adding to the track. Hook into this if you want to add custom options.
static [FOnBuildOutlinerEditWidget](API\Plugins\MediaCompositingEditor\Sequencer\FOnBuildOutlinerEditWidget) OnBuildOutlinerEditWidget;